2015-03-03 03:34:27 +08:00
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// RUN: %clangxx_msan -O0 %s -o %t && %run %t
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2013-12-12 21:48:47 +08:00
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// Check that when TLS block is reused between threads, its shadow is cleaned.
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#include <pthread.h>
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#include <stdio.h>
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int __thread x;
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void *ThreadFn(void *) {
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if (!x)
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printf("zzz\n");
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int y;
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int * volatile p = &y;
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x = *p;
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return 0;
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}
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int main(void) {
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pthread_t t;
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for (int i = 0; i < 100; ++i) {
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pthread_create(&t, 0, ThreadFn, 0);
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pthread_join(t, 0);
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}
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return 0;
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}
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